[tex]1.(69) \div 1.(7) + 0.5 = [/tex]
[tex] = 1 \frac{69}{99} \div 1 \frac{7}{9} + \frac{5}{10} = [/tex]
[tex] = 1 \frac{23}{33} \div 1 \frac{7}{9} + \frac{1}{2} = [/tex]
[tex] = \frac{56}{33} \div \frac{16}{9} + \frac{1}{2} = [/tex]
[tex] = \frac{56}{33} \times \frac{9}{16} + \frac{1}{2} = [/tex]
[tex] = \frac{21}{22} + \frac{1}{2} = [/tex]
[tex] = \frac{21}{22} + \frac{11}{22} = [/tex]
[tex] = \frac{32}{22} = \frac{16}{11} [/tex]
